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VULNERABILITIES

CVE-2023-42119 Details

Description

Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the service account. . Was ZDI-CAN-17643.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.1 LOWVector:CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://lists.debian.org/debian-lts-announce/2024/10/msg00029.html CVE
https://www.zerodayinitiative.com/advisories/ZDI-23-1473/ CVEThird Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1473/ [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]

Affected Products

ProductVersions
exim exim
< 4.96.2

CPE

  • cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2023-42119
NVD Published Date:
May 3, 2024
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]